What it costs to fuel a 2026 Chevrolet Equinox in Idaho
Short answer
Driving 1,000 miles a month at $3.96 a gallon for regular. That's 14.7¢ a mile and $1,759 a year.
Estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average).
Change the version, miles or price
- Per year
- $1,759
- Per mile
- 14.7¢
- Over 5 years
- $8,793
Every 2026 Equinox version in Idaho
| Version | Drive | EPA rating | Per month |
|---|---|---|---|
| Equinox FWD(used in headline figures) | FWD | 27 mpg | $147 |
| Equinox AWD | AWD | 26 mpg | $152 |
Equinox vs. Chevrolet Equinox EV in Idaho
The Equinox EV costs about $1,259 a year less to run here.Counting Idaho's $140 EV fee, the saving is about $1,119.
See the break-evenIdaho's gas tax: 33¢ a gallon, plus 18.4¢ federal
Of the estimated $3.96 a gallon for regular in Idaho, 51.4¢ is tax: 13% of the price.
At 1,000 miles a month, the Equinox (27 mpg) pays about $19 a month in fuel tax, $228 a year. Idaho's state gas tax is near the middle of the 50 states and DC.
Electric cars pay no gas tax, so Idaho charges them an extra registration fee instead: $140 a year.
Fuel taxes: EIA, July 2026 (revised); county and city taxes not included. Pump price is an estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average). EV fee: U.S. Department of Energy. Fees checked October 2026.
Rocky Mountain gas prices are down 49¢ in a month
EIA doesn't survey Idaho on its own, so the price on this page moves with the Rocky Mountain average: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 more than a year ago. Over the past year it ranged from $2.40 (week of January 5, 2026) to $4.59 (week of May 18, 2026). At 1,000 miles a month, the Equinox costs about $18 a month less to fuel than four weeks ago.
Show every weekly figure
EIA weekly retail gasoline and diesel prices.
Idaho is about average to fuel a Equinox
27th cheapest of the 50 states and DC, at 1,000 miles a month. See every state
- 1Texas$126
- 2New Mexico$127
- 3Louisiana$128
- 4Mississippi$129
- 5Arkansas$130
Questions people ask
How much does it cost to fuel a Chevrolet Equinox in Idaho?
About $147 a month for 1,000 miles, or $1,759 a year, for the 2026 Equinox FWD (27 mpg) at $3.96 a gallon for regular. That works out to 14.7¢ a mile.
Which Equinox version is cheapest to fuel?
The Equinox FWD (27 mpg), at about $147 a month in Idaho. The 2026 Equinox comes in 2 EPA-rated versions.
Where does the Idaho gas price come from?
Estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average). It updates every week when EIA publishes its survey.
How much of the gas price in Idaho is tax?
51.4¢ a gallon: 33¢ Idaho state tax and 18.4¢ federal tax. That is 13% of the estimated $3.96 a gallon for regular.
Are gas prices going up in Idaho?
EIA doesn't survey Idaho on its own, so the price on this page moves with the Rocky Mountain average: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 more than a year ago. Source: EIA's weekly retail price survey.
Efficiency: U.S. EPA ratings for the 2026 model year. Gas prices: EIA weekly survey, week of November 9, 2026. Electricity: EIA average home rates, September 2025 to August 2026. Fuel taxes: EIA, July 2026 (revised). How we calculate